/* 01 Tokens & Reset */
:root {
  --color-ink: #17222c; --color-harbor: #263a50; --color-blue: #3a6486;
  --color-stone: #ece8df; --color-paper: #f8f6f1; --color-line: #c7ced1;
  --color-muted: #68737b; --color-seaglass: #a8c1b7; --color-signal: #c45d3d;
  --color-sand: #d8c9b4; --color-white: #fff;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-editorial: Georgia, "Times New Roman", serif;
  --text-xs: .72rem; --text-sm: .88rem; --text-base: 1rem; --text-lg: clamp(1.05rem, 1.5vw, 1.25rem);
  --space-1: .35rem; --space-2: .65rem; --space-3: 1rem; --space-4: 1.5rem;
  --space-5: 2rem; --space-6: 3rem; --space-7: clamp(4.5rem, 9vw, 8rem);
  --container: 1240px; --border: 1px solid var(--color-line); --radius: 2px;
  --shadow: 0 18px 55px rgb(23 34 44 / .09); --transition: 220ms ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-sans); line-height: 1.65; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }

/* 02 Base */
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 1050px; margin-bottom: var(--space-4); font-size: clamp(3.2rem, 8.3vw, 7.4rem); line-height: .91; letter-spacing: -.065em; font-weight: 650; }
h2 { margin-bottom: var(--space-4); font-size: clamp(2.2rem, 4.7vw, 4.6rem); line-height: 1.02; letter-spacing: -.045em; font-weight: 650; }
h3 { line-height: 1.2; letter-spacing: -.025em; }
p { color: #44515a; }
.eyebrow, .section-kicker { color: var(--color-blue); font-size: var(--text-xs); font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: .8rem 1.15rem; border: 1px solid transparent; text-decoration: none; font-size: .82rem; font-weight: 750; letter-spacing: .04em; transition: color var(--transition), background var(--transition), transform var(--transition); }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--color-harbor); color: var(--color-white); }
.button-primary:hover { background: var(--color-blue); }
.button-secondary { border-color: var(--color-harbor); color: var(--color-harbor); }
.button-secondary:hover { background: var(--color-stone); }
.button-light { background: var(--color-paper); color: var(--color-ink); }
.button-outline { border-color: rgb(255 255 255 / .55); color: var(--color-white); }
.button-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin: var(--space-4) 0 0; padding: 0; list-style: none; }
.tags li, .research-fields span { padding: .25rem .55rem; border: 1px solid currentColor; color: var(--color-muted); font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; }

/* 03 Accessibility */
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: .7rem 1rem; background: var(--color-ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--color-signal); outline-offset: 3px; }
.visually-hidden { position: absolute!important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
[hidden] { display: none!important; }

/* 04 Layout */
.container { width: min(calc(100% - 2.5rem), var(--container)); margin-inline: auto; }
.section { padding-block: var(--space-7); }
.section-heading { max-width: 800px; margin-bottom: clamp(2.5rem, 6vw, 5rem); }
.section-heading > p:last-child { max-width: 650px; font-size: var(--text-lg); }

/* 05 Header */
.site-header { position: sticky; z-index: 100; top: 0; border-bottom: var(--border); background: rgb(248 246 241 / .96); backdrop-filter: blur(12px); }
.header-inner { display: flex; min-height: 80px; align-items: center; justify-content: space-between; gap: var(--space-4); }
.brand { flex: 0 0 auto; }
.brand img { width: 245px; }
.primary-nav { display: flex; align-items: center; gap: clamp(.8rem, 1.7vw, 1.6rem); }
.primary-nav a { text-decoration: none; font-size: .76rem; font-weight: 700; }
.primary-nav a:not(.nav-action):hover { color: var(--color-signal); }
.nav-action { padding: .65rem .85rem; border: 1px solid var(--color-harbor); }
.menu-toggle { display: none; min-width: 48px; min-height: 44px; border: 0; background: transparent; font-size: .8rem; font-weight: 750; }

/* 06 Hero */
.hero { padding: clamp(4.5rem, 9vw, 8.5rem) 0 var(--space-6); background: linear-gradient(90deg, transparent 0 70%, rgb(236 232 223 / .55) 70% 100%); }
.hero-intro { max-width: 760px; margin-bottom: var(--space-5); font-size: clamp(1.1rem, 2vw, 1.45rem); }
.scope-marker { display: flex; align-items: center; gap: .6rem; margin: var(--space-4) 0 var(--space-6); font-family: var(--font-editorial); font-size: .84rem; }
.scope-marker span { width: 8px; height: 8px; background: var(--color-signal); }

/* 07 Global Flow Board */
.flow-board { padding: clamp(1rem, 3vw, 2rem); border: 1px solid #71808b; background: var(--color-harbor); color: white; box-shadow: var(--shadow); }
.board-head { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid rgb(255 255 255 / .25); color: var(--color-seaglass); font-size: .66rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.flow-modules { display: grid; grid-template-columns: 1fr 1.15fr 1.7fr 1.15fr 1.25fr; gap: clamp(.5rem, 1.5vw, 1.25rem); align-items: end; padding-top: 2rem; }
.flow-module { position: relative; display: flex; min-height: 125px; flex-direction: column; justify-content: flex-end; padding: 1rem; border: 1px solid rgb(255 255 255 / .42); background: rgb(255 255 255 / .045); }
.flow-module::before { content: ""; position: absolute; top: -7px; left: 12px; width: 12px; height: 12px; border: 2px solid var(--color-harbor); background: var(--color-signal); }
.flow-module small { margin-bottom: auto; color: var(--color-seaglass); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }
.flow-module strong { font-size: clamp(1rem, 1.7vw, 1.5rem); text-transform: uppercase; }
.flow-module span { color: #cbd5da; font-size: .74rem; }
.hub { min-height: 170px; background: rgb(168 193 183 / .13); }.corridor { min-height: 105px; }.handoff { min-height: 145px; border-color: var(--color-signal); }.destination { min-height: 185px; }
.flow-lane { position: relative; height: 20px; margin: 1.4rem 6% -2.65rem; border-top: 2px solid var(--color-sand); }
.flow-lane i { position: absolute; top: -5px; width: 8px; height: 8px; background: var(--color-sand); }.flow-lane i:nth-child(1){left:0}.flow-lane i:nth-child(2){left:24%}.flow-lane i:nth-child(3){left:52%}.flow-lane i:nth-child(4){left:76%}.flow-lane i:nth-child(5){right:0}

/* 08 System View */
.system-view { padding-block: var(--space-6); border-bottom: var(--border); background: var(--color-stone); }
.section-kicker { display: flex; justify-content: space-between; margin-bottom: 1rem; }
.manifest-strip { display: grid; grid-template-columns: 1.05fr 1.2fr 1.45fr 1.25fr; border: var(--border); background: var(--color-paper); }
.manifest-strip article { min-height: 180px; padding: 1.25rem; border-right: var(--border); }.manifest-strip article:last-child { border: 0; }
.manifest-strip small { color: var(--color-signal); font-family: var(--font-editorial); }.manifest-strip h3 { margin: 1.2rem 0 .4rem; }.manifest-strip p { margin: 0; font-size: .88rem; }

/* 09 Network Areas */
.yard-grid { display: grid; grid-template-columns: 1.15fr .85fr .75fr 1.25fr; grid-template-rows: auto auto; gap: 1.25rem; align-items: stretch; }
.area { position: relative; padding: clamp(1.4rem, 3vw, 2.5rem); border: 1px solid var(--color-harbor); background: var(--color-paper); box-shadow: 7px 7px 0 var(--color-stone); }
.area::after { content: ""; position: absolute; width: 35%; height: 4px; right: -1px; bottom: -1px; background: var(--color-blue); }
.area-one { grid-column: 1 / 4; }.area-two { grid-column: 4; grid-row: 1 / 3; }.area-three { grid-column: 1 / 2; }.area-four { grid-column: 2 / 4; }
.area-meta { display: flex; justify-content: space-between; gap: 1rem; color: var(--color-blue); font-size: .64rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.area h3 { max-width: 760px; margin: 3rem 0 1rem; font-size: clamp(1.6rem, 3vw, 2.7rem); text-transform: uppercase; }
.area .thesis { color: var(--color-ink); font-family: var(--font-editorial); font-size: 1.05rem; font-style: italic; }
.area-two h3 { margin-top: 7rem; }

/* 10 Network Tightening */
.tightening { background: var(--color-stone); }
.tightening-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.tightening-copy p { max-width: 640px; }.callout { padding: 1.25rem 0 0 1.5rem; border-left: 4px solid var(--color-signal); color: var(--color-ink); font-family: var(--font-editorial); font-size: 1.05rem; }
.junction-visual { display: grid; grid-template-columns: 1fr 90px 1fr; align-items: center; min-height: 390px; }
.junction-stack { display: grid; gap: .7rem; }.junction-stack span { padding: .8rem; border: 1px solid var(--color-harbor); background: var(--color-paper); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }.junction-stack span:nth-child(2){transform:translateX(10%)}.junction-stack span:nth-child(3){transform:translateX(18%)}.junction-stack span:nth-child(4){transform:translateX(6%)}
.junction-neck { position: relative; height: 40px; border-top: 2px solid var(--color-signal); }.junction-neck i { position: absolute; top: -8px; left: 45%; width: 14px; height: 14px; background: var(--color-signal); }.junction-neck b { position: absolute; top: 15px; font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; }
.junction-output { padding: 2rem 1rem; background: var(--color-harbor); color: white; font-size: 1.3rem; font-weight: 700; }.junction-output small { display: block; margin-top: .4rem; color: var(--color-seaglass); font-size: .66rem; text-transform: uppercase; }

/* 11 Handoff Review */
.handoff { background: var(--color-harbor); color: white; }.handoff .eyebrow { color: var(--color-seaglass); }.handoff .section-heading > p:last-child { color: #c8d0d5; }
.handoff-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.handoff-step { position: relative; min-height: 260px; padding: 1.6rem; border: 1px solid rgb(255 255 255 / .35); background: rgb(255 255 255 / .035); }
.handoff-step:nth-child(2), .handoff-step:nth-child(5) { transform: translateY(1.2rem); }.handoff-step::after { content:""; position:absolute; right:-8px; top:34px; width:15px; height:15px; background:var(--color-signal); }
.handoff-step span { color: var(--color-signal); font-family: var(--font-editorial); }.handoff-step h3 { margin: 3.5rem 0 1rem; font-size: 1.35rem; }.handoff-step p { color: #c8d0d5; }

/* 12 Reference Board */
.profiles { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; align-items: start; }
.profile { position: relative; min-width: 0; padding: 1.5rem; border: var(--border); background: white; }.profile.offset { margin-top: 1.5rem; }.profile::after { content:""; position:absolute; right:-1px; bottom:-1px; width:45px; height:8px; background:var(--color-seaglass); }.profile.contact::after { background: var(--color-signal); }
.profile-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 1.25rem; border-bottom: var(--border); }.avatar { display:grid; width:48px; height:48px; place-items:center; background:var(--color-harbor); color:white; font-family:var(--font-editorial); }.contact .avatar { background: var(--color-signal); }
.profile-label { color: var(--color-blue); font-size: .6rem; font-weight: 800; letter-spacing: .1em; text-align:right; text-transform:uppercase; }.contact .profile-label { color: #9c442d; }
.profile h3 { margin: 1.5rem 0 .3rem; font-size: 1.55rem; }.profile .role { min-height: 3rem; color: var(--color-blue); font-family:var(--font-editorial); font-size:.84rem; }.profile > p:not(.role) { font-size:.88rem; }
.email-row { display: flex; flex-direction: column; gap: .7rem; margin-top: 1.25rem; }.email-row a { overflow-wrap:anywhere; color:var(--color-blue); font-size:.78rem; }.copy-email { align-self:flex-start; min-height:42px; padding:.55rem .8rem; border:1px solid var(--color-harbor); background:transparent; cursor:pointer; font-size:.72rem; font-weight:750; }.copy-email:hover { background:var(--color-stone); }.copy-status { display:block; min-height:1.2rem; color:var(--color-blue); font-size:.7rem; }
.research-fields { display:flex; flex-wrap:wrap; gap:.35rem; margin-top:1.5rem; }.contact-clarification { margin-top:3rem; padding:1.5rem; border-left:5px solid var(--color-signal); background:var(--color-stone); }.contact-clarification p { margin:.4rem 0 0; }

/* 13 Independence */
.independence { background: var(--color-stone); }.independence-grid { display:grid; grid-template-columns:.8fr 1.2fr; gap:clamp(3rem,8vw,8rem); }.scope-copy { padding-top:.5rem; border-top:3px solid var(--color-harbor); }.scope-copy p { font-size:.92rem; }

/* 14 Flow Briefs */
.briefs { background: white; }.brief-list { border-top: 1px solid var(--color-ink); }.brief { border-bottom:var(--border); }.brief details { background:white; }.brief summary { display:grid; grid-template-columns:1fr 30px; gap:1rem; padding:1.6rem .8rem; cursor:pointer; list-style:none; }.brief summary::-webkit-details-marker { display:none; }.brief summary span { display:grid; grid-template-columns:170px minmax(220px, .9fr) 1fr; gap:1.2rem; align-items:center; }.brief summary small { color:var(--color-blue); font-size:.65rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }.brief summary strong { font-size:1rem; }.brief summary em { color:var(--color-muted); font-family:var(--font-editorial); font-size:.9rem; font-weight:400; }.brief summary i { position:relative; width:22px; height:22px; border:1px solid var(--color-harbor); }.brief summary i::before,.brief summary i::after { content:""; position:absolute; top:10px; left:5px; width:10px; height:1px; background:var(--color-ink); }.brief summary i::after { transform:rotate(90deg); transition:transform var(--transition); }.brief details[open] summary i::after { transform:rotate(0); }.brief details[open] summary { background:var(--color-paper); }.brief-content { max-width:850px; padding:1.5rem 2rem 2rem 12rem; }.brief-content p { font-size:.9rem; }

/* 15 Search */
.search-panel { display:grid; grid-template-columns:1fr 2fr auto; gap:1rem; align-items:end; margin-bottom:2.5rem; padding:1.3rem; background:var(--color-harbor); color:white; }.search-panel label { font-size:.8rem; font-weight:750; }.search-row { display:flex; gap:.5rem; }.search-row input { width:100%; min-height:48px; padding:.7rem .9rem; border:1px solid #7f909d; border-radius:0; background:white; color:var(--color-ink); }.search-row button { min-height:48px; border:1px solid var(--color-seaglass); background:transparent; color:white; cursor:pointer; white-space:nowrap; }.search-panel > p { min-width:68px; margin:0 0 .65rem; color:var(--color-seaglass); font-size:.75rem; text-align:right; }.no-results { padding:3rem; border:1px dashed var(--color-line); text-align:center; }

/* 16 About */
.about { border-top:var(--border); }.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:clamp(3rem,8vw,8rem); }.about-copy { font-size:var(--text-lg); }.about-copy p:last-child { padding-top:1rem; border-top:var(--border); color:var(--color-ink); font-family:var(--font-editorial); }

/* 17 Network Principles */
.principles { padding-top:0; }.principle-list { display:flex; flex-direction:column; gap:.7rem; }.principle-list article { display:grid; grid-template-columns:70px 1fr; width:100%; padding:1.1rem 1.5rem; border:var(--border); background:var(--color-stone); }.principle-list article:nth-child(2){width:92%}.principle-list article:nth-child(3){width:97%}.principle-list article:nth-child(4){width:87%}.principle-list article:nth-child(5){width:94%}.principle-list span { color:var(--color-signal); font-family:var(--font-editorial); }.principle-list h3 { margin:0 0 .25rem; }.principle-list p { margin:0; }

/* 18 CTA */
.final-cta { padding-bottom:var(--space-7); }.cta-block { position:relative; display:grid; grid-template-columns:1.4fr .6fr; min-height:490px; padding:clamp(2rem,6vw,5rem); overflow:hidden; background:var(--color-harbor); color:white; }.cta-copy { position:relative; z-index:2; max-width:760px; }.cta-copy .eyebrow { color:var(--color-seaglass); }.cta-copy p:not(.eyebrow) { max-width:650px; color:#d0d8dc; font-size:var(--text-lg); }.cta-modules { position:relative; min-height:260px; }.cta-modules span { position:absolute; right:0; width:80%; height:75px; border:1px solid rgb(255 255 255 / .35); background:rgb(255 255 255 / .05); }.cta-modules span:nth-child(1){top:5%;right:18%}.cta-modules span:nth-child(2){top:35%;width:100%;background:var(--color-stone)}.cta-modules span:nth-child(3){top:65%;right:-12%;width:72%;background:var(--color-seaglass)}.cta-modules i { position:absolute; top:52%; left:-30%; width:150%; border-top:4px solid var(--color-signal); }

/* 19 Footer */
.site-footer { padding:3.5rem 0 1.5rem; background:var(--color-ink); color:white; }.footer-grid { display:grid; grid-template-columns:1.3fr 1fr auto; gap:3rem; align-items:start; }.footer-brand { display:flex; gap:1rem; }.footer-brand img { width:44px; }.footer-brand strong { font-size:1.1rem; }.footer-brand p { margin:.2rem 0; color:#aebac1; font-size:.82rem; }.footer-brand small { color:var(--color-seaglass); }.site-footer nav { display:grid; grid-template-columns:1fr 1fr; gap:.5rem 1rem; }.site-footer a { color:#d2dadd; font-size:.76rem; text-decoration:none; }.site-footer a:hover { color:white; }.back-top { white-space:nowrap; }.footer-base { display:flex; justify-content:space-between; gap:1rem; margin-top:3rem; padding-top:1.2rem; border-top:1px solid #47545e; color:#8f9da5; font-size:.68rem; }

/* 20 Reveal */
.js-enabled .reveal { opacity:0; transform:translateY(18px); transition:opacity 650ms ease, transform 650ms ease; }.js-enabled .reveal.is-visible { opacity:1; transform:none; }

/* 21 Responsive */
@media (max-width: 1050px) {
  .menu-toggle { display:flex; align-items:center; gap:.6rem; }.menu-toggle i,.menu-toggle i::before,.menu-toggle i::after { display:block; width:21px; height:2px; background:var(--color-ink); }.menu-toggle i { position:relative; }.menu-toggle i::before,.menu-toggle i::after { content:""; position:absolute; left:0; }.menu-toggle i::before{top:-6px}.menu-toggle i::after{top:6px}
  .primary-nav { position:absolute; top:80px; right:0; left:0; display:none; flex-direction:column; align-items:stretch; padding:1rem 1.25rem 1.5rem; border-bottom:var(--border); background:var(--color-paper); box-shadow:var(--shadow); }.primary-nav.is-open { display:flex; }.primary-nav a { min-height:42px; display:flex; align-items:center; }.nav-action { justify-content:center; }
  .yard-grid { grid-template-columns:1fr 1fr; }.area-one,.area-four { grid-column:1 / 3; }.area-two { grid-column:2; grid-row:2 / 4; }.area-three { grid-column:1; }.area-four { grid-row:4; }
  .profiles { grid-template-columns:repeat(2,1fr); }.profile.offset { margin-top:0; }
  .brief summary span { grid-template-columns:130px 1fr; }.brief summary em { grid-column:2; }.brief-content { padding-left:10rem; }
}
@media (max-width: 760px) {
  .container { width:min(calc(100% - 1.5rem),var(--container)); }.brand img { width:210px; }.header-inner { min-height:70px; }.primary-nav { top:70px; }
  h1 { font-size:clamp(3rem,15vw,5rem); }.hero { padding-top:4rem; background:none; }
  .flow-lane { display:none; }.flow-modules { grid-template-columns:1fr; }.flow-module,.hub,.corridor,.handoff,.destination { min-height:105px; }.flow-module::before { top:calc(100% + 6px); left:22px; }.flow-module:not(:last-child)::after { content:""; position:absolute; top:100%; left:26px; height:calc(1.25rem + 8px); border-left:2px solid var(--color-sand); }
  .manifest-strip { grid-template-columns:1fr 1fr; }.manifest-strip article:nth-child(2){border-right:0}.manifest-strip article:nth-child(-n+2){border-bottom:var(--border)}
  .yard-grid { display:block; }.area { margin-bottom:1rem; }.area-two h3 { margin-top:3rem; }
  .tightening-grid,.independence-grid,.about-grid { grid-template-columns:1fr; }.junction-visual { min-height:300px; grid-template-columns:1fr 60px 1fr; }
  .handoff-grid { grid-template-columns:1fr; }.handoff-step:nth-child(2),.handoff-step:nth-child(5) { transform:none; }.handoff-step { min-height:210px; }.handoff-step::after { top:auto; right:auto; bottom:-8px; left:34px; }
  .profiles { grid-template-columns:1fr; }.search-panel { grid-template-columns:1fr; }.search-panel > p { margin:0; text-align:left; }.search-row { flex-direction:column; }.search-row button { align-self:flex-start; padding-inline:1rem; }
  .brief summary span { grid-template-columns:1fr; }.brief summary em { grid-column:auto; }.brief-content { padding:1rem 1rem 1.7rem; }
  .principle-list article,.principle-list article:nth-child(n) { width:100%; grid-template-columns:42px 1fr; padding:1rem; }
  .cta-block { grid-template-columns:1fr; min-height:620px; }.cta-modules { min-height:210px; }.footer-grid { grid-template-columns:1fr; }.footer-base { flex-direction:column; }.site-footer nav { max-width:400px; }
}
@media (max-width: 390px) {
  .brand img { width:185px; }.menu-toggle span { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }.manifest-strip { grid-template-columns:1fr; }.manifest-strip article { border-right:0; border-bottom:var(--border); }.manifest-strip article:last-child{border-bottom:0}.board-head { flex-direction:column; }.button { width:100%; }.email-row a { font-size:.72rem; }.junction-visual { grid-template-columns:1fr; gap:1rem; }.junction-neck { height:35px; border-top:0; border-left:2px solid var(--color-signal); margin-left:50%; }.junction-neck b { left:12px; }.junction-output { text-align:center; }
}

/* 22 Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; } *,*::before,*::after { animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; }.js-enabled .reveal { opacity:1; transform:none; }
}